Actress Sue Johnston was always told that one of her ancestors was the driver of the London and North Eastern Railway's famous steam locomotive (now the world's most famous steam locomotive) - Gresley 'A3' Class Pacific
4-6-2 No. 4472 Flying Scotsman. But, this only turned out to be just a family myth.

However, Sue learned that one of her ancestors did work on the railway as a porter, progressing his way through the ranks until ...